\documentclass[
    a4paper,
    fontsize=11pt,
]{scrartcl}

\usepackage[ asdasd asdasd ]{pdfpages}

\begin{document}

\include{$HOME/Text_A}
Text Text Text Text

\includepdf{$HOME/test/folder/Attachment_B}
Text Text Text Text

\includepdf[asd]{$HOME/test/folder/Attachment_B}
Text Text Text Text

\includepdf[%
    pages=-,
    nup=2x2
]{$HOME/test/folder/Attachment_B}
Text Text Text Text

\end{document}
